Summer.fi Vault Loses About $6 Million as 2026 DeFi Theft Tally Passes $840 Million

A pricing failure briefly showed a conservative vault yielding more than two million percent, allowing an instant withdrawal of user funds.

An exploit drained roughly $6 million from a Summer.fi lending vault on Ethereum after the vault's accounting algorithm failed and briefly displayed an annual yield of about 2,080,000 percent, Cryptonews reported. The mispricing let an atta…